Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2004 Jaguar XJRFACTORY OEM SERVICE PROCEDURE
Electronic Engine Controls - 4.2L (2003.5-09)
- Specification
- General Procedures
- Description and Operation
- Electronic Engine Controls
- Notes
- Engine Control Module (ECM)
- Camshaft Position (CMP) Sensor
- Variable Camshaft Timing Oil Control Solenoid
- Knock Sensors (KS)
- Mass Air flow (MAF) Sensor
- Throttle Position (TP) Sensor
- Crankshaft Position (CKP) Sensor
- Fuel Rail Pressure (FRP) Sensor
- Engine Coolant Temperature (ECT) Sensor
- Oil Temperature Sensor
- Oil Pressure Switch
- Heated Oxygen Sensor (HO2S)
- Catalyst Monitor Sensor
- Intake Air Temperature (IAT) Sensor. Vehicles with supercharger.
- Electronic Engine Controls
- Diagnosis and Testing
- Electronic Engine Controls - VIN Range: G00442->G45703
- Inspection and Verification
- Visual Inspection Chart
- Driver Information Chart
- Default mode Definitions
- DTC index
- Pinpoint Tests
- PINPOINT TEST G258127p1 : DTC P0101, P0102, P0103; MASS AIR FLOW (MAF) SENSOR CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p2 : DTC P0111, P0112, P0113; INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p3 : DTC P0116*, P0117, P0118, P0125; ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p4 : DTC P0121, P0122, P0123; THROTTLE POSITION (TP) SENSOR RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p5 : DTC P0222, P0223; THROTTLE POSITION (TP) SENSOR CIRCUIT TP2 HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p6 : DTC P0131, P0132, P0133, p1646; RIGHT-HAND H02S SENSING CIRCUIT LOW/HIGH CURRENT, SLOW RESPONSE, ECM CONTROL MALFUNCTION
- G258127t17 : CHECK THE H02S VARIABLE CIRCUIT FOR HIGH RESISTANCE
- G258127t18 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t19 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT TO GROUND
- G258127t20 : CHECK THE H02S CONSTANT CIRCUIT FOR HIGH RESISTANCE
- G258127t21 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t22 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT TO GROUND
- PINPOINT TEST G258127p7 : DTC P0031, P0032; RIGHT-HAND H02S HEATER CONTROL CIRCUIT HIGH/LOW CURRENT
- PINPOINT TEST G258127p8 : DTC P0137, P0138, P0140; RIGHT-HAND CATALYST MONITOR SENSOR SENSING CIRCUIT LOW/HIGH VOLTAGE, NO ACTIVITY
- G258127t27 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G258127t28 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t29 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- G258127t30 : CHECK THE CATALYST MONITOR SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G258127p9 : DTC P0037, P0038; RIGHT-HAND CATALYST MONITOR SENSOR HEATER CONTROL CIRCUIT LOW/HIGH RESISTANCE
- PINPOINT TEST G258127p10 : DTC P0151, P0152, P0153; LEFT-HAND H02S SENSING CIRCUIT LOW/HIGH CURRENT, SLOW RESPONSE, ECM CONTROL MALFUNCTION
- G258127t33 : CHECK THE H02S VARIABLE CIRCUIT FOR HIGH RESISTANCE
- G258127t34 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t35 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT TO GROUND
- G258127t36 : CHECK THE H02S CONSTANT CIRCUIT FOR HIGH RESISTANCE
- G258127t37 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t38 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT TO GROUND
- PINPOINT TEST G258127p11 : DTC P0051, P0052; LEFT-HAND H02S HEATER CONTROL CIRCUIT HIGH/LOW CURRENT
- PINPOINT TEST G258127p12 : DTC P0057, P0058; LEFT-HAND CATALYST MONITOR SENSOR HEATER CONTROL CIRCUIT LOW/HIGH RESISTANCE
- PINPOINT TEST G258127p13 : DTC P0196, P0197, P0198; ENGINE OIL TEMPERATURE (EOT) SENSOR RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p14 : DTC P0157, P0158, P0160; LEFT-HAND CATALYST MONITOR SENSOR SENSING CIRCUIT LOW/HIGH VOLTAGE, NO ACTIVITY
- G258127t49 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G258127t50 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t51 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- G258127t52 : CHECK THE CATALYST MONITOR SENSOR GROUND CIRCUIT FOR OPEN CIRCUIT
- PINPOINT TEST G258127p15 : DTC P0327, P0328; RIGHT-HAND KNOCK SENSOR (KS) HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p16 : DTC P0332, P0333; LEFT-HAND KNOCK SENSOR (KS) HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p17 : DTC P0335, P0336; CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT RANGE/PERFORMANCE, CIRCUIT MALFUNCTION
- G258127t61 : CHECK THE CKP SENSOR FOR CORRECT INSTALLATION
- G258127t62 : CHECK THE CKP SENSOR FOR DEBRIS
- G258127t63 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G258127t64 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t65 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- G258127t66 : CHECK THE CKP SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G258127p18 : DTC P0340, P0341; RIGHT-HAND CAMSHAFT POSITION (CMP) SENSOR CIRCUIT RANGE/PERFORMANCE, CIRCUIT MALFUNCTION
- G258127t67 : CHECK THE CMP SENSOR FOR CORRECT INSTALLATION
- G258127t68 : CHECK THE CMP SENSOR FOR FOREIGN DEBRIS
- G258127t69 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G258127t70 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t71 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- G258127t72 : CHECK THE CMP SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G258127p19 : DTC P0480; RADIATOR COOLING FAN MODULE DRIVE CIRCUIT MALFUNCTION
- G258127t73 : CHECK THE RADIATOR FAN MODULE PERMANENT SUPPLY
- G258127t74 : CHECK THE RADIATOR FAN MODULE GROUND
- G258127t75 : CHECK THE RADIATOR FAN MODULE EMS SWITCHED SUPPLY
- G258127t76 : CHECK THE ECM TO RADIATOR FAN MODULE CIRCUIT FOR HIGH RESISTANCE
- G258127t77 : CHECK THE ECM TO RADIATOR FAN MODULE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t78 : CHECK THE ECM TO RADIATOR FAN MODULE CIRCUIT FOR SHORT TO GROUND
- PINPOINT TEST G258127p20 : DTC P0560; BATTERY POWER SUPPLY VOLTAGE MALFUNCTION
- PINPOINT TEST G258127p21 : DTC P1104; MASS AIR FLOW (MAF) SENSOR GROUND MALFUNCTION
- PINPOINT TEST G258127p22 : DTC p1122, p1123*; ACCELERATOR PEDAL POSITION (App) SENSOR SENSING CIRCUIT 1 HIGH/LOW VOLTAGE
- G258127t83 : CHECK THE App SENSOR SENSING CIRCUIT 1 FOR HIGH RESISTANCE
- G258127t84 : CHECK THE App SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t85 : CHECK THE App SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- G258127t86 : CHECK THE App SENSOR SUPPLY VOLTAGE AT THE SENSOR
- G258127t87 : CHECK THE App SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G258127p23 : DTC P1215, P1216*; ACCELERATOR PEDAL POSITION (App) SENSOR SENSING CIRCUIT 2 HIGH/LOW VOLTAGE
- G258127t88 : CHECK THE App SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G258127t89 : CHECK THE App SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t90 : CHECK THE App SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- G258127t91 : CHECK THE App SENSOR SUPPLY VOLTAGE AT THE SENSOR
- G258127t92 : CHECK THE App SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G258127p24 : DTC p1229; THROTTLE MOTOR CONTROL CIRCUIT MALFUNCTION
- PINPOINT TEST G258127p25 : DTC p1240, p1241, p1242; SENSOR SUPPLY VOLTAGE MALFUNCTION, HIGH/LOW VOLTAGE
- G258127t95 : CHECK THE SUPPLY VOLTAGE AT THE App SENSOR
- G258127t96 : CHECK THE App SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- G258127t97 : CHECK THE App SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t98 : CHECK THE App SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO GROUND
- G258127t99 : CHECK THE SUPPLY VOLTAGE AT THE TP SENSOR
- G258127t100 : CHECK THE TP SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- G258127t101 : CHECK THE TP SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t102 : CHECK THE TP SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO GROUND
- G258127t103 : CHECK THE SUPPLY VOLTAGE AT THE FUEL TANK PRESSURE SENSOR
- G258127t104 : CHECK THE FUEL TANK PRESSURE SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- G258127t105 : CHECK THE FUEL TANK PRESSURE SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t106 : CHECK THE FUEL TANK PRESSURE SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO GROUND
- G258127t107 : CHECK THE SUPPLY VOLTAGE AT THE MANIFOLD ABSOLUTE PRESSURE SENSOR
- G258127t108 : CHECK THE MANIFOLD ABSOLUTE PRESSURE SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- G258127t109 : CHECK THE MANIFOLD ABSOLUTE PRESSURE SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t110 : CHECK THE MANIFOLD ABSOLUTE PRESSURE SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO GROUND
- G258127t111 : CHECK THE SUPPLY VOLTAGE AT THE FUEL RAIL PRESSURE (FRP) SENSOR
- G258127t112 : CHECK THE FUEL RAIL PRESSURE (FRP) SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- G258127t113 : CHECK THE FUEL RAIL PRESSURE (FRP) SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t114 : CHECK THE FUEL RAIL PRESSURE (FRP) SENSOR SUPPLY VOLTAGE CIRCUIT FOR SHORT TO GROUND
- PINPOINT TEST G258127p26 : DTC p1243; SENSOR GROUND CIRCUITS OPEN CIRCUIT
- G258127t115 : CHECK THE SENSOR GROUND AT THE THROTTLE POSITION (TP) SENSORS
- G258127t116 : CHECK THE THROTTLE POSITION (TP) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t117 : CHECK THE SENSOR GROUND AT THE ACCELERATOR PEDAL POSITION (App) SENSOR
- G258127t118 : CHECK THE ACCELERATOR PEDAL POSITION (App) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t119 : CHECK THE SENSOR GROUND AT THE FUEL TANK PRESSURE (FTP) SENSOR
- G258127t120 : CHECK THE FUEL TANK PRESSURE (FTP) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t121 : CHECK THE SENSOR GROUND AT THE ENGINE COOLANT TEMPERATURE (ECT) SENSOR
- G258127t122 : CHECK THE ENGINE COOLANT TEMPERATURE (ECT) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t123 : CHECK THE SENSOR GROUND AT THE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR
- G258127t124 : CHECK THE MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t125 : CHECK THE SENSOR GROUND AT THE FUEL TEMPERATURE (FT) SENSOR
- G258127t126 : CHECK THE FUEL TEMPERATURE (FT) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t127 : CHECK THE SENSOR GROUND AT THE FUEL RAIL PRESSURE (FRP) SENSOR
- G258127t128 : CHECK THE FUEL RAIL PRESSURE (FRP) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t129 : CHECK THE SENSOR GROUND AT THE ENGINE OIL TEMPERATURE (EOT) SENSOR
- G258127t130 : CHECK THE ENGINE OIL TEMPERATURE (EOT) SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- G258127t131 : CHECK THE SENSOR GROUND AT THE A/C PRESSURE SENSOR
- G258127t132 : CHECK THE A/C PRESSURE SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G258127p27 : DTC P1245, P1246; ENGINE CRANK SIGNAL LOW/HIGH VOLTAGE
- PINPOINT TEST G258127p28 : DTC p1340, p1341; LEFT-HAND CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION RANGE/PERFORMANCE
- G258127t135 : CHECK THE CMP SENSOR FOR CORRECT INSTALLATION
- G258127t136 : CHECK THE CMP SENSOR FOR FOREIGN DEBRIS
- G258127t137 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G258127t138 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t139 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT TO GROUND
- PINPOINT TEST G258127p29 : DTC P0010, P1384; RIGHT-HAND VARIABLE CAMSHAFT TIMING (VCT) OIL CONTROL SOLENOID MALFUNCTION, CIRCUIT MALFUNCTION
- PINPOINT TEST G258127p30 : DTC p1396; LEFT-HAND VARIABLE CAMSHAFT TIMING (VCT) OIL CONTROL SOLENOID MALFUNCTION, CIRCUIT MALFUNCTION
- PINPOINT TEST G258127p31 : DTC p1582; "FLIGHT RECORDER" DATA IS STORED IF ANY ONE OF FIVE CONDITIONS OCCUR
- PINPOINT TEST G258127p32 : DTC p1606; EMS CONTROL RELAY MALFUNCTION
- PINPOINT TEST G258127p33 : P0105, P1107, P1108; MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR SENSING CIRCUIT MALFUNCTION, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p34 : DTC P0181, P0182, P0183; ENGINE FUEL TEMPERATURE (EFT) SENSOR RANGE/PERFORMANCE, LOW/HIGH VOLTAGE
- PINPOINT TEST G258127p35 : DTC P0532, P0533; AIR CONDITIONING PRESSURE SENSOR CIRCUIT LOW/HIGH VOLTAGE
- PINPOINT TEST G258127p36 : P1251, P1631, P1657, P1658; THROTTLE MOTOR RELAY CONTROL CIRCUIT MALFUNCTION/ OFF FAILURE/ON FAILURE
- G258127t161 : CHECK THE THROTTLE MOTOR RELAY POWER SUPPLIES
- G258127t162 : CHECK THE THROTTLE MOTOR RELAY COIL DRIVE CIRCUIT FROM THE ECM FOR HIGH RESISTANCE
- G258127t163 : CHECK THE THROTTLE MOTOR RELAY COIL DRIVE CIRCUIT FROM THE ECM FOR SHORT TO B +
- G258127t164 : CHECK THE POWER SUPPLY CIRCUIT FROM THE RELAY BASE TO THE ECM FOR HIGH RESISTANCE
- G258127t165 : CHECK THE POWER SUPPLY CIRCUIT FROM THE RELAY BASE TO THE ECM FOR SHORT TO B +
- PINPOINT TEST G258127p37 : P0096, P0097, P0098; INTAKE AIR TEMPERATURE (IAT) SENSOR 2 SENSING CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G258127p38 : P1410; AIR CLEANER SOLENOID VALVE DRIVE CIRCUIT MALFUNCTION
- G258127t169 : CHECK THE POWER SUPPLY TO THE AIR CLEANER SOLENOID VALVE
- G258127t170 : CHECK THE AIR CLEANER SOLENOID VALVE TO ECM CIRCUIT FOR HIGH RESISTANCE
- G258127t171 : CHECK THE AIR CLEANER SOLENOID VALVE TO ECM CIRCUIT FOR SHORT TO HIGH VOLTAGE
- G258127t172 : CHECK THE AIR CLEANER SOLENOID VALVE TO ECM CIRCUIT FOR SHORT TO GROUND
- PINPOINT TEST G258127p39 : DTC P1474; CHECK INTERCOOLER COOLANT PUMP FUNCTION
- Electronic Engine Controls - VIN Range: G45704->G99999
- Overview
- Inspection and Verification
- Visual Inspection Chart
- Symptom Chart
- DTC index
- Pinpoint Tests
- PINPOINT TEST G531332p1 : MASS AIR FLOW (MAF) SENSOR CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p2 : INTAKE AIR TEMPERATURE (IAT) SENSOR CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p3 : ENGINE COOLANT TEMPERATURE (ECT) SENSOR CIRCUIT RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p4 : THROTTLE POSITION (TP) SENSOR RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p5 : THROTTLE POSITION (TP) SENSOR CIRCUIT TP2 HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p6 : RIGHT-HAND H02S SENSING CIRCUIT LOW/HIGH CURRENT, SLOW RESPONSE, ECM CONTROL MALFUNCTION
- G531332t17 : CHECK THE H02S VARIABLE CIRCUIT FOR HIGH RESISTANCE
- G531332t18 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t19 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t20 : CHECK THE H02S CONSTANT CIRCUIT FOR HIGH RESISTANCE
- G531332t21 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t22 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT CIRCUIT TO GROUND
- PINPOINT TEST G531332p7 : RIGHT-HAND H02S HEATER CONTROL CIRCUIT HIGH/LOW CURRENT
- PINPOINT TEST G531332p8 : RIGHT-HAND CATALYST MONITOR SENSOR SENSING CIRCUIT LOW/HIGH VOLTAGE, NO ACTIVITY
- G531332t27 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G531332t28 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t29 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t30 : CHECK THE CATALYST MONITOR SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p9 : RIGHT-HAND CATALYST MONITOR SENSOR HEATER CONTROL CIRCUIT LOW/HIGH RESISTANCE
- PINPOINT TEST G531332p10 : LEFT-HAND H02S SENSING CIRCUIT LOW/HIGH CURRENT, SLOW RESPONSE, ECM CONTROL MALFUNCTION
- G531332t33 : CHECK THE H02S VARIABLE CIRCUIT FOR HIGH RESISTANCE
- G531332t34 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t35 : CHECK THE H02S VARIABLE CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t36 : CHECK THE H02S CONSTANT CIRCUIT FOR HIGH RESISTANCE
- G531332t37 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t38 : CHECK THE H02S CONSTANT CIRCUIT FOR SHORT CIRCUIT TO GROUND
- PINPOINT TEST G531332p11 : LEFT-HAND H02S HEATER CONTROL CIRCUIT HIGH/LOW CURRENT
- PINPOINT TEST G531332p12 : LEFT-HAND CATALYST MONITOR SENSOR HEATER CONTROL CIRCUIT LOW/HIGH RESISTANCE
- PINPOINT TEST G531332p13 : ENGINE OIL TEMPERATURE (EOT) SENSOR RANGE/PERFORMANCE, HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p14 : LEFT-HAND CATALYST MONITOR SENSOR SENSING CIRCUIT LOW/HIGH VOLTAGE, NO ACTIVITY
- G531332t49 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G531332t50 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t51 : CHECK THE CATALYST MONITOR SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t52 : CHECK THE CATALYST MONITOR SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p15 : RIGHT-HAND KNOCK SENSOR (KS) HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p16 : LEFT-HAND KNOCK SENSOR (KS) HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p17 : CRANKSHAFT POSITION (CKP) SENSOR CIRCUIT RANGE/PERFORMANCE, CIRCUIT MALFUNCTION
- G531332t61 : CHECK THE CKP SENSOR FOR CORRECT INSTALLATION
- G531332t62 : CHECK THE CKP SENSOR FOR DEBRIS
- G531332t63 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G531332t64 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t65 : CHECK THE CKP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t66 : CHECK THE CKP SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p18 : RIGHT-HAND CAMSHAFT POSITION (CMP) SENSOR CIRCUIT RANGE/PERFORMANCE, CIRCUIT MALFUNCTION
- G531332t67 : CHECK THE CMP SENSOR FOR CORRECT INSTALLATION
- G531332t68 : CHECK THE CMP SENSOR FOR FOREIGN DEBRIS
- G531332t69 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G531332t70 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t71 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t72 : CHECK THE CMP SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p19 : RADIATOR COOLING FAN MODULE DRIVE CIRCUIT MALFUNCTION
- G531332t73 : CHECK THE RADIATOR FAN MODULE PERMANENT SUPPLY
- G531332t74 : CHECK THE RADIATOR FAN MODULE GROUND
- G531332t75 : CHECK THE RADIATOR FAN MODULE EMS SWITCHED SUPPLY
- G531332t76 : CHECK THE ECM TO RADIATOR FAN MODULE CIRCUIT FOR HIGH RESISTANCE
- G531332t77 : CHECK THE ECM TO RADIATOR FAN MODULE CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t78 : CHECK THE ECM TO RADIATOR FAN MODULE CIRCUIT FOR SHORT CIRCUIT TO GROUND
- PINPOINT TEST G531332p20 : BATTERY POWER SUPPLY VOLTAGE MALFUNCTION
- PINPOINT TEST G531332p21 : MASS AIR FLOW (MAF) SENSOR GROUND MALFUNCTION
- PINPOINT TEST G531332p22 : ACCELERATOR PEDAL POSITION (APP) SENSOR SENSING CIRCUIT 1 HIGH/LOW VOLTAGE
- G531332t83 : CHECK THE APP SENSOR SENSING CIRCUIT 1 FOR HIGH RESISTANCE
- G531332t84 : CHECK THE APP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t85 : CHECK THE APP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t86 : CHECK THE APP SENSOR SUPPLY VOLTAGE AT THE SENSOR
- G531332t87 : CHECK THE APP SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p23 : ACCELERATOR PEDAL POSITION (APP) SENSOR SENSING CIRCUIT 2 HIGH/LOW VOLTAGE
- G531332t88 : CHECK THE APP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G531332t89 : CHECK THE APP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t90 : CHECK THE APP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t91 : CHECK THE APP SENSOR SUPPLY VOLTAGE AT THE SENSOR
- G531332t92 : CHECK THE APP SENSOR SUPPLY VOLTAGE CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p24 : THROTTLE MOTOR CONTROL CIRCUIT MALFUNCTION
- PINPOINT TEST G531332p25 : SENSOR SUPPLY VOLTAGE MALFUNCTION, HIGH/LOW VOLTAGE
- PINPOINT TEST G531332p26 : SENSOR GROUND CIRCUITS OPEN CIRCUIT
- PINPOINT TEST G531332p27 : STARTER RELAY SIGNAL
- PINPOINT TEST G531332p28 : LEFT-HAND CAMSHAFT POSITION (CMP) SENSOR CIRCUIT MALFUNCTION RANGE/PERFORMANCE
- G531332t135 : CHECK THE CMP SENSOR FOR CORRECT INSTALLATION
- G531332t136 : CHECK THE CMP SENSOR FOR FOREIGN DEBRIS
- G531332t137 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR HIGH RESISTANCE
- G531332t138 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t139 : CHECK THE CMP SENSOR SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- PINPOINT TEST G531332p29 : RIGHT-HAND VARIABLE CAMSHAFT TIMING (VCT) OIL CONTROL SOLENOID MALFUNCTION, CIRCUIT MALFUNCTION
- PINPOINT TEST G531332p30 : LEFT-HAND VARIABLE CAMSHAFT TIMING (VCT) OIL CONTROL SOLENOID MALFUNCTION, CIRCUIT MALFUNCTION
- PINPOINT TEST G531332p31 : "FLIGHT RECORDER" DATA IS STORED IF ANY ONE OF FIVE CONDITIONS OCCUR
- PINPOINT TEST G531332p32 : EMS CONTROL RELAY MALFUNCTION
- PINPOINT TEST G531332p33 : MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR SENSING CIRCUIT MALFUNCTION, HIGH/LOW VOLTAGE (VEHICLES WITHOUT SUPERCHARGER)
- PINPOINT TEST G531332p34 : ENGINE FUEL TEMPERATURE (EFT) SENSOR RANGE/PERFORMANCE, LOW/HIGH VOLTAGE
- PINPOINT TEST G531332p35 : AIR CONDITIONING (A/C) PRESSURE SENSOR CIRCUIT LOW/HIGH VOLTAGE
- PINPOINT TEST G531332p37 : MANIFOLD ABSOLUTE PRESSURE SENSOR/TEMPERATURE (MAPT) SENSOR, INTAKE AIR TEMPERATURE (IAT2) SENSING CIRCUIT
- PINPOINT TEST G531332p38 : AIR CLEANER SOLENOID VALVE DRIVE CIRCUIT MALFUNCTION
- G531332t169 : CHECK THE POWER SUPPLY TO THE AIR CLEANER SOLENOID VALVE
- G531332t170 : CHECK THE AIR CLEANER SOLENOID VALVE TO ECM CIRCUIT FOR HIGH RESISTANCE
- G531332t171 : CHECK THE AIR CLEANER SOLENOID VALVE TO ECM CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t172 : CHECK THE AIR CLEANER SOLENOID VALVE TO ECM CIRCUIT FOR SHORT CIRCUIT TO GROUND
- PINPOINT TEST G531332p39 : CHECK THE AUXILIARY COOLANT PUMP FUNCTION
- PINPOINT TEST G531332p40 : FUEL RAIL PRESSURE (FRP) SENSOR CIRCUIT
- G531332t175 : CHECK THE FRP SENSOR SUPPLY CIRCUIT VOLTAGE
- G531332t177 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t178 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t179 : CHECK THE FRP SENSOR SIGNAL CIRCUIT FOR HIGH RESISTANCE
- G531332t180 : CHECK THE FRP SENSOR GROUND CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p36 : MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR SENSING CIRCUIT MALFUNCTION, HIGH/LOW VOLTAGE (VEHICLES WITH SUPERCHARGER)
- PINPOINT TEST G531332p41 : MANIFOLD ABSOLUTE PRESSURE/TEMPERATURE (MAPT) SENSOR PRESSURE SENSING CIRCUIT
- G531332t101 : CHECK THE POWER SUPPLY TO THE MAPT SENSOR
- G531332t102 : CHECK THE GROUND TO THE MAPT SENSOR
- G531332t100 : CHECK THE MAPT PRESSURE SENSING CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t103 : CHECK THE MAPT PRESSURE SENSING CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t104 : CHECK THE MAPT PRESSURE SENSING CIRCUIT FOR HIGH RESISTANCE
- PINPOINT TEST G531332p42 : BRAKE SWITCH
- G531332t105 : CHECK THE OPERATION OF THE BRAKE SWITCH (PEDAL RELEASED)
- G531332t106 : CHECK THE OPERATION OF THE BRAKE SWITCH (PEDAL PRESSED)
- G531332t107 : CHECK THE POWER SUPPLY TO THE BRAKE PEDAL SWITCH
- G531332t108 : CHECK THE BRAKE SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO GROUND
- G531332t109 : CHECK THE BRAKE SWITCH SIGNAL CIRCUIT FOR SHORT CIRCUIT TO POWER
- G531332t110 : CHECK THE BRAKE SWITCH SIGNAL CIRCUIT FOR HIGH RESISTANCE
- Electronic Engine Controls - VIN Range: G00442->G45703
- Removal and Installation
- Brake Pedal Position (BPP) Switch
- Camshaft Position (CMP) Sensor LH (18.31.12)
- Camshaft Position (CMP) Sensor RH (18.31.11)
- Catalyst Monitor Sensor (18.30.66)
- Crankshaft Position (CKP) Sensor (18.30.12)
- Engine Control Module (ECM) (18.30.01)
- Engine Coolant Temperature (ECT) Sensor - Vehicles With: Supercharger (18.30.10)
- Engine Coolant Temperature (ECT) Sensor - Vehicles Without: Supercharger (18.30.10)
- Fuel Rail Pressure (FRP) Sensor (18.30.98)
- Fuel Temperature Sensor (18.30.99)
- Heated Oxygen Sensor (HO2S)
- Intake Air Temperature (IAT) Sensor - Vehicles With: Supercharger (18.30.52)
- Knock Sensor (KS) LH (18.30.92)
- Manifold Absolute Pressure (MAP) Sensor - Vehicles With: Supercharger (18.30.86)
- Manifold Absolute Pressure (MAP) Sensor - Vehicles Without: Supercharger (18.30.86)
- Mass Air Flow (MAF) Sensor (18.30.15)
- Oil Temperature Sensor (18.31.01)
- Variable Camshaft Timing (VCT) Oil Control Solenoid (18.30.90)
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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